Thyroxine-binding globulin test system.

  1. Law
  2. CFR 21
  3. Food and Drugs
  4. Food and Drug Administration, Department of Health and Human Services
  5. Medical Devices
  6. Clinical Chemistry and Clinical Toxicology Devices
  7. Clinical Chemistry Test Systems
  8. Thyroxine-binding globulin test system.

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§ 862.1685 Thyroxine-binding globulin test system.

(a) Identification. A thyroxine-binding globulin test system is a device intended to measure thyroxine (thyroid)-binding globulin (TBG), a plasma protein which binds thyroxine, in serum and plasma. Measurements obtained by this device are used in the diagnosis and treatment of thyroid diseases.

(b) Classification. Class II (special controls). The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 862.9.

[52 FR 16122, May 1, 1987, as amended at 84 FR 71797, Dec. 30, 2019]


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